Home / 157,667.20-236,500.80-98,569.60

Finding the Fourth Proportional to 157,667.20, 236,500.80 and 98,569.60

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Solution

The fourth proportional to 157,667.20, 236,500.80 and 98,569.60 is: 147,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,667.20 : 236,500.80 = 98,569.60 : x
  2. Step 2: Convert to fraction form
    157,667.20/236,500.80 = 98,569.60/x
  3. Step 3: Cross multiply
    157,667.20x = 236,500.80 × 98,569.60
  4. Step 4: Simplify right side
    157,667.20x = 23,311,789,255.68
  5. Step 5: Solve for x
    x = 23,311,789,255.68/157,667.20
  6. Step 6: Final answer
    x = 147,854.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.